I can't activate the plug in, I got this error Plugin could

I can't activate the plug in, I got this error

Plugin could not be activated because it triggered a fatal error.
Warning: require_once(/home3/shazgues/public_html/barcelonaparties/wp-content/plugins/wp-smushit/lib/class-wp-smush.php): failed to open stream: No such file or directory in /home3/shazgues/public_html/barcelonaparties/wp-content/plugins/wp-smush-pro/wp-smush.php on line 59

Fatal error: require_once(): Failed opening required '/home3/shazgues/public_html/barcelonaparties/wp-content/plugins/wp-smushit/lib/class-wp-smush.php' (include_path='.:disappointed:usr/php/54/usr/lib64:disappointed:usr/php/54/usr/share/pear') in /home3/shazgues/public_html/barcelonaparties/wp-content/plugins/wp-smush-pro/wp-smush.php on line 59